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Interpreting Seasonal-Hybrid ESD output

The Seasonal-Hybrid ESD algorithm provides some useful output for understanding where the anomalies occur within the data.

In particular, the AnomalyDetectionVec() function generates output as a list with the two elements

  • $anoms, a data frame containing the columns index and anoms
  • $plot a plot of the time series with anomalies highlighted (if plot = T)

This exercise is part of the course

Introduction to Anomaly Detection in R

View Course

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Use Seasonal-Hybrid ESD for nitrate concentrations
river_anomalies <- AnomalyDetectionVec(___)
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